package shizhan;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class Shizhan4 {
    public static void main(String[] args) throws TransformerException, IOException, ParserConfigurationException, SAXException {
        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder db=documentBuilderFactory.newDocumentBuilder();
        Document doc=db.parse("src/shizhan/Phone.xml");
        NodeList list=doc.getElementsByTagName("Brand");
        for (int i = 0; i < list.getLength(); i++) {
            Element brandElement = (Element) list.item(i);
            String brandName=brandElement.getAttribute("name");
            if (brandName.equals("SAMSUNG")){
                brandElement.getParentNode().removeChild(brandElement);
            }
        }
        TransformerFactory transformerFactory=TransformerFactory.newInstance();
        Transformer transformer=transformerFactory.newTransformer();
        DOMSource domSource=new DOMSource(doc);
        transformer.setOutputProperty(OutputKeys.ENCODING,"gb2312");
        StreamResult result=new StreamResult(new FileOutputStream("src/shizhan/Phone.xml"));
        transformer.transform(domSource,result);
    }
}
